Memorandum from Ray H. Mattison to H. Raymond Gregg
Subject(s): Cunningham, Nancy Sewall, 1894-1996, History--Research, MacLachlan, Helen, 1896-1983, Museums--Collection management, North Dakota--Badlands, North Dakota--Elkhorn Ranch, Roosevelt, Theodore, 1858-1919, Sewall, Fred, 1886-1978, Sewall, William Wingate, 1845-1930, Theodore Roosevelt Association
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Historian Ray H. Mattison reviews his trip to the East Coast where he visited the Theodore Roosevelt Association and William Wingate Sewall’s daughters, Nancy Sewall Cunningham and Harriett S. Harmon. He inventories the items he viewed related to Theodore Roosevelt’s time in the North Dakota Badlands.
Collection
Theodore Roosevelt National Park
Creation Date
1959-01-22
Creator(s)
Recipient
Language
English
Period
Theodore Roosevelt and Public Memory (1919-present)
Repository
Theodore Roosevelt National Park
Page Count
3
Production Method
Record Type
Multi-image
Resource Type
Rights
These images are presented through a cooperative effort between Theodore Roosevelt National Park – National Park Service and Dickinson State University. See the Theodore Roosevelt Digital Library Terms of Use for further copyright information.
Citation
Cite this Record
Chicago:
Memorandum from Ray H. Mattison to H. Raymond Gregg. [January 22, 1959]. Theodore Roosevelt National Park.
https://www.theodorerooseveltcenter.org/digital-library/o273731. Theodore Roosevelt Digital Library. Dickinson State University.
MLA:
Mattison, Ray H., 1903-1980. Memorandum from Ray H. Mattison to H. Raymond Gregg. [22 Jan. 1959]. Multi-image.
Theodore Roosevelt National Park. Theodore Roosevelt Digital Library. Dickinson State University. January 29, 2026. https://www.theodorerooseveltcenter.org/digital-library/o273731.
APA:
Mattison, Ray H., 1903-1980., [1959, January 22]. Memorandum from Ray H. Mattison to H. Raymond Gregg.
Theodore Roosevelt National Park. Theodore Roosevelt Digital Library. Dickinson State University.
Retrieved from https://www.theodorerooseveltcenter.org/digital-library/o273731.
Cite this Collection
Chicago:
Theodore Roosevelt National Park. https://www.theodorerooseveltcenter.org/collection/theodore-roosevelt-national-park. Theodore Roosevelt Digital Library. Dickinson State University.
MLA:
Theodore Roosevelt National Park. Theodore Roosevelt Digital Library. Dickinson State University. January 29, 2026. https://www.theodorerooseveltcenter.org/collection/theodore-roosevelt-national-park.
APA:
Theodore Roosevelt National Park. Theodore Roosevelt Digital Library. Dickinson State University. Retrieved from https://www.theodorerooseveltcenter.org/collection/theodore-roosevelt-national-park.